[Android] Add support for a hung renderer dialog

chrome/browser/android/tab_android.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_TAB_ANDROID_H_
 #define CHROME_BROWSER_ANDROID_TAB_ANDROID_H_
 
 #include <jni.h>
 
 #include "base/android/jni_weak_ref.h"
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/search/instant_service_observer.h"
 #include "chrome/browser/sync/glue/synced_tab_delegate_android.h"
 #include "chrome/browser/ui/search/search_tab_helper_delegate.h"
 #include "chrome/browser/ui/tab_contents/core_tab_helper_delegate.h"
 #include "components/favicon/core/favicon_driver_observer.h"
+#include "components/infobars/core/infobar_manager.h"
 #include "components/sessions/session_id.h"
 #include "components/toolbar/toolbar_model.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class GURL;
 class Profile;
 class SkBitmap;
 
 namespace cc {
 class Layer;
 }
 
 namespace chrome {
 struct NavigateParams;
 }
 
 namespace chrome {
 namespace android {
 class ChromeWebContentsDelegateAndroid;
 class TabContentManager;
 }
 }
 
 namespace content {
 class ContentViewCore;
 class WebContents;
 }
 
+namespace infobars {
+class InfoBar;
+}
+
 namespace offline_pages {
 struct OfflinePageItem;
 }
 
 namespace prerender {
 class PrerenderManager;
 }
 
 class TabAndroid : public CoreTabHelperDelegate,
                    public InstantServiceObserver,
@@ skipping 52 matching lines @@
   Profile* GetProfile() const;
   browser_sync::SyncedTabDelegate* GetSyncedTabDelegate() const;
 
   void SetWindowSessionID(SessionID::id_type window_id);
   void SetSyncId(int sync_id);
 
   void HandlePopupNavigation(chrome::NavigateParams* params);
 
   bool HasPrerenderedUrl(GURL gurl);
 
+  void OnRendererUnresponsive(JNIEnv* env, jobject obj);
+  void OnRendererResponsive(JNIEnv* env, jobject obj);
+
   void MakeLoadURLParams(
       chrome::NavigateParams* params,
       content::NavigationController::LoadURLParams* load_url_params);
 
-  // CoreTabHelperDelegate ----------------------------------------------------
-
+  // Overridden from CoreTabHelperDelegate:
   void SwapTabContents(content::WebContents* old_contents,
                        content::WebContents* new_contents,
                        bool did_start_load,
                        bool did_finish_load) override;
 
   // Overridden from InstantServiceObserver:
   void DefaultSearchProviderChanged(
       bool google_base_url_domain_changed) override;
 
   // Overridden from SearchTabHelperDelegate:
   void OnWebContentsInstantSupportDisabled(
       const content::WebContents* web_contents) override;
 
-  // NotificationObserver -----------------------------------------------------
+  // Overridden from NotificationObserver:
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
-  // favicon::FaviconDriverObserver -------------------------------------------
+  // Overridden from favicon::FaviconDriverObserver:
   void OnFaviconAvailable(const gfx::Image& image) override;
   void OnFaviconUpdated(favicon::FaviconDriver* favicon_driver,
                         bool icon_url_changed) override;
 
   // Methods called from Java via JNI -----------------------------------------
 
   void Destroy(JNIEnv* env, jobject obj);
   void InitWebContents(JNIEnv* env,
                        jobject obj,
                        jboolean incognito,
@@ skipping 96 matching lines @@
   scoped_ptr<content::WebContents> web_contents_;
   scoped_ptr<chrome::android::ChromeWebContentsDelegateAndroid>
       web_contents_delegate_;
 
   scoped_ptr<browser_sync::SyncedTabDelegateAndroid> synced_tab_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(TabAndroid);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_TAB_ANDROID_H_